Form and render elements - 9.5.x - drupal
Introduction to form and render elements
Render elements are referenced in render arrays. Render arrays contain data to be rendered, along with meta-data and attributes that specify how to render the data into markup; see the Render API topic for an overview of render arrays and render elements. Form arrays are a subset of render arrays, representing HTML forms; form elements are a subset of render elements, representing HTML elements for forms. See the Form API topic for an overview of forms, form processing, and form arrays.
Each form and render element type corresponds to an element plugin class; each of them either extends \Drupal\Core\Render\Element\RenderElement (render elements) or \Drupal\Core\Render\Element\FormElement (form elements). Usage and properties are documented on the individual classes, and the two base classes list common properties shared by all render elements and the form element subset, respectively.
See also
\Drupal\Core\Render\Element\RenderElement
\Drupal\Core\Render\Element\FormElement
File
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core/
lib/ Drupal/ Core/ Render/ theme.api.php, line 465
| Element machine name Sort descending | Type | Class | Namespace | Summary |
|---|---|---|---|---|
| status_messages | RenderElement | StatusMessages | Drupal\Core\Render\Element | Provides a messages element. |
| status_report | RenderElement | StatusReport | Drupal\Core\Render\Element | Creates status report page element. |
| status_report_page | RenderElement | StatusReportPage | Drupal\system\Element | Creates status report page element. |
| submit | FormElement | Submit | Drupal\Core\Render\Element | Provides a form submit button. |
| system_compact_link | RenderElement | SystemCompactLink | Drupal\Core\Render\Element | Provides a link to show or hide help text on administration pages. |
| table | FormElement | Table | Drupal\Core\Render\Element | Provides a render element for a table. |
| tableselect | FormElement | Tableselect | Drupal\Core\Render\Element | Provides a form element for a table with radios or checkboxes in left column. |
| tel | FormElement | Tel | Drupal\Core\Render\Element | Provides a form element for entering a telephone number. |
| textarea | FormElement | Textarea | Drupal\Core\Render\Element | Provides a form element for input of multiple-line text. |
| textfield | FormElement | Textfield | Drupal\Core\Render\Element | Provides a one-line text field form element. |
| text_format | RenderElement | TextFormat | Drupal\filter\Element | Provides a text format render element. |
| token | FormElement | Token | Drupal\Core\Render\Element | Stores token data in a hidden form field. |
| toolbar | RenderElement | Toolbar | Drupal\toolbar\Element | Provides a render element for the default Drupal toolbar. |
| toolbar_item | RenderElement | ToolbarItem | Drupal\toolbar\Element | Provides a toolbar item that is wrapped in markup for common styling. |
| url | FormElement | Url | Drupal\Core\Render\Element | Provides a form element for input of a URL. |
| value | FormElement | Value | Drupal\Core\Render\Element | Provides a form element for storage of internal information. |
| vertical_tabs | FormElement | VerticalTabs | Drupal\Core\Render\Element | Provides a render element for vertical tabs in a form. |
| view | RenderElement | View | Drupal\views\Element | Provides a render element to display a view. |
| weight | FormElement | Weight | Drupal\Core\Render\Element | Provides a form element for input of a weight. |
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